(COMBO) This combination of pictures created on November 12, 2024 shows US entrepreneur and former Republican presidential hopeful Vivek Ramaswamy (L) speaks during the second day of the 2024 Republican National Convention at the Fiserv Forum in Milwaukee, Wisconsin, July 16, 2024, and SpaceX, Twitter and electric car maker Tesla CEO Elon Musk looks on as he speaks during his visit at the Vivatech technology startups and innovation fair at the Porte de Versailles exhibition center in Paris, on June 16, 2023.. US President-elect Donald Trump on November 12, 2024 said Tesla and SpaceX CEO Elon Musk will lead a so-called Department of Government Efficiency alongside American entrepreneur Vivek Ramaswamy. (Photo by ANDREW CABALLERO-REYNOLDS and Alain JOCARD / AFP) (Photo by ANDREW CABALLERO-REYNOLDSALAIN JOCARD/AFP via Getty Images)